Base | Representation |
---|---|
bin | 1000010100110101010… |
… | …1101010001111011011 |
3 | 111200012002220012202022 |
4 | 2011031111222033123 |
5 | 4320412022210233 |
6 | 145412512125055 |
7 | 13222311134516 |
oct | 2051525521733 |
9 | 450162805668 |
10 | 143031444443 |
11 | 55728581228 |
12 | 23878b3678b |
13 | 10645935ac4 |
14 | 6ccc09bd7d |
15 | 3ac1e27398 |
hex | 214d56a3db |
143031444443 has 4 divisors (see below), whose sum is σ = 151445058840. Its totient is φ = 134617830048.
The previous prime is 143031444407. The next prime is 143031444469. The reversal of 143031444443 is 344444130341.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344444130341 = 19 ⋅18128638439.
It is a cyclic number.
It is not a de Polignac number, because 143031444443 - 26 = 143031444379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (143031449443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206807173 + ... + 4206807206.
It is an arithmetic number, because the mean of its divisors is an integer number (37861264710).
Almost surely, 2143031444443 is an apocalyptic number.
143031444443 is a deficient number, since it is larger than the sum of its proper divisors (8413614397).
143031444443 is an equidigital number, since it uses as much as digits as its factorization.
143031444443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8413614396.
The product of its (nonzero) digits is 110592, while the sum is 35.
Adding to 143031444443 its reverse (344444130341), we get a palindrome (487475574784).
The spelling of 143031444443 in words is "one hundred forty-three billion, thirty-one million, four hundred forty-four thousand, four hundred forty-three".
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